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Test your basic knowledge |
Biomedical Engineering Heart
Start Test
Study First
Subject
:
engineering
Instructions:
Answer
43
questions in
15 minutes
.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Heart is located here
endocardium
cardiac reserve
medial to the lungs and superior to the diaphragm
mediastinum
2. Prevents backflow of blood from the left ventricle to the left atrium
60-80
endocardium
tricuspid valve
bicuspid valve
3. Hormone ANP increases loss of ____in urine to decrease blood volume and blood pressure
sodium ions and water
epicardium
stenosis...
venous return
4. The centers that regulate heart rate located in the___
aorta
medulla
fibrous epicardium
stenosis...
5. Upper chamber of the heart
bundle of His...
coronary arteries
vagus nerves
atrium
6. Funciton of the serous fluid of teh pericardial membranes
pressoreceptors in teh carotid and aortic sinuses
systole
endocardium
prevent friction as the heart beats
7. Each normal heartbeat is initiated by this
coronary arteries
SA node
endocardium
aorta
8. Irregular heartbeats
myocardium
diastole
arrhythmias
60-80
9. Largest artery of the body
systole
cardiac cycle
endocardium
aorta
10. Purpose of teh coronary vessels
bradycardia
stenosis...
supply the heart with oxygenated blood
ischemia
11. Narrowing of a valve
stroke volume
bradycardia
medulla
stenosis...
12. Amount of blood pumped by a ventricle in 1 minute
cardiac output
ischemia
superior and inferior caval veins
aorta
13. Part of the myocardium is deprived of its blood supply and becomes ______
ischemia
tricuspid valve
venous return
fibrullation
14. Coronary sinus receives blood directly from this
60-80
coronary veins
coronary arteries
superior and inferior caval veins
15. Heart rate below 60 bpm
bradycardia
ECG
coronary arteries
SA node
16. Sequence of events in one heartbeat
SA node
cardiac cycle
bradycardia
sodium ions and water
17. Very rapid and uncoordinated ventricular beat
fibrullation
pressoreceptors in teh carotid and aortic sinuses
endocardium
superior and inferior caval veins
18. Nerves that transmit impulses to decrease the heart rate are the ____
coronary arteries
vagus nerves
cardiac output
right and left atria
19. Electical activity of the heart may be depicted in an
ECG
aorta
superior and inferior caval veins
ischemia
20. Heart chambers are lined with this
cardiac output
endocardium
ECG
medial to the lungs and superior to the diaphragm
21. Contraction
systole
aortic and pulmonary semilunar valves
closure of the valves
diastole
22. Natural pacemaker of the heart
tricuspid valve
SA node
cardiac output
60-80
23. Prevents backflow of blood from teh right ventricle to the right atrium
tricuspid valve
bundle of His...
60-80
pressoreceptors in teh carotid and aortic sinuses
24. The chambers of teh heart that receive blood from the veins
diastole
coronary veins
coronary arteries
right and left atria
25. Backflow o fblood from the arteries to the ventricles is prevented by these
endocardium
aortic and pulmonary semilunar valves
diastole
is smooth to prevent abnormal clotting within the heart
26. Amount of blood pumped by a ventricle per beat
bradycardia
stroke volume
vagus nerves
bicuspid valve
27. Relaxation of chambers of the heart
bundle of His...
systole
diastole
right and left atria
28. Visceral pericardium
epicardium
myocardium
coronary veins
bicuspid valve
29. First part of the cardia conduction pathway in teh ventircles
stroke volume
bundle of His...
diastole
diastole
30. The amount of blood that returns to teh heart
diastole
myocardium
venous return
epicardium
31. Cardiac muscle tissue
epicardium
myocardium
fibrous epicardium
venous return
32. Vessel into which the left ventricle pumps blood
right and left atria
bradycardia
tricuspid valve
aorta
33. Changes in blood pressure are detected by
pressoreceptors in teh carotid and aortic sinuses
right and left atria
vagus nerves
stroke volume
34. Endocardium lines the chambers of the heart
is smooth to prevent abnormal clotting within the heart
ECG
diastole
SA node
35. Relaxation
cardiac cycle
mediastinum
diastole
SA node
36. 1st branches of teh ascending aorta
bundle of His...
coronary veins
prevent friction as the heart beats
coronary arteries
37. Area in the thoracic cavity between the lungs
bradycardia
mediastinum
systole
medial to the lungs and superior to the diaphragm
38. Normal heart sounds are caused by
mediastinum
arrhythmias
bradycardia
closure of the valves
39. Outermost of the pericardial membranes
ECG
endocardium
fibrous epicardium
tricuspid valve
40. Normal range of heart rate for a healthy adult is _____ bpm
atrium
60-80
aorta
pressoreceptors in teh carotid and aortic sinuses
41. Contraction of chambers of the heart
fibrous epicardium
systole
bradycardia
ischemia
42. Difference between resting cardiac output adn maximum exercise cardiac output
bradycardia
supply the heart with oxygenated blood
bundle of His...
cardiac reserve
43. Veins that return blood to the right atrium
is smooth to prevent abnormal clotting within the heart
epicardium
superior and inferior caval veins
coronary veins